Abstract
IN his delightful book “With Nature and a Camera” Mr. Richard Kearton wrote (a few years ago): “It is wonderful to think that within the confines of the British Isles, on the eve of the twentieth century, it is still possible to find a man sitting on Friday night in a rude semi-underground house lighted only by the primitive stone lamp of his fore-fathers of prehistoric times.” He was referring to the primitive customs of Borrera in the Outer Hebrides. It is only yesterday that light of any sort, however feeble, was a great achievement. Then come demands for more light, and for enough light. Finally, the request is for enough light of the right quality which, by its approach to the properties of daylight, will show objects not only in form but also in their true colours.
Photometry.
By John W. T. Walsh. Pp. xxvii + 505. (London: Constable and Co., Ltd., 1926.) 40s. net.
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M., L. Photometry . Nature 118, 581–582 (1926). https://doi.org/10.1038/118581a0
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DOI: https://doi.org/10.1038/118581a0